DTC 41
DTC 41: Abnormal Signal Reception ErrorNOTE: Inspect for an aftermarket device interfering with the RF signal from the sensors when turning the ignition switch ON (II).
1. Check all four wheels to make sure they are the TPMS type with the -tire pressure sensor.
Is each wheel a TPMS type with a tire pressure sensor?
YES - Go to Step 9.
NO-Go to step 2.
2. Install known-good TPMS wheel(s).
3. To memorize the sensor ID(s) drive the vehicle above 15 mph (24 km/h) for 40 continuous seconds, or memorize the ID(s) with the HDS.
4. Test-drive the vehicle and monitor the VSP signal with the HDS.
Is the VSP signal OK?
YES - Go to Step 8.
NO - Go to step 5.
5. Turn the ignition switch OFF.
6. Turn the ignition switch ON (II).
7. Check for DTCs with the HDS.
Is DTC 85 indicated?
YES - Go to the DTC 85 troubleshooting.
NO - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit and recheck.
8. Turn the ignition switch OFF.
9. Turn the ignition switch ON (II).
10. With the HDS, check that all the wheels are receiving and transmitting signals.
NOTE: If not defined is shown on the HDS, turn the ignition switch OFF, rotate the appropriate tire 1/4 turn, then turn the ignition switch ON (II), and try again. If there is still no response, repeat the procedure in the previous sentence until a response is shown.
Is there at least one response from each wheel, in one full turn of the tire?
YES - The system is OK at this time. Clear the DTC with the HDS.
NO - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit and recheck.